Shelving unit



FIG. 1 is a perspective view of a shelving unit embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, the rear being flat andunornamented;

FIG. 4 is a side elevational view taken from the left of FIG. 1;

FIG. 5 is a side elevational view taken from the right of FIG. 1.

The ornamental design for a shelving unit, substantially as shown and described. 